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Finding the Fourth Proportional to 61,486.83, 92,230.25 and 47,467.32

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Solution

The fourth proportional to 61,486.83, 92,230.25 and 47,467.32 is: 71,200.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,486.83 : 92,230.25 = 47,467.32 : x
  2. Step 2: Convert to fraction form
    61,486.83/92,230.25 = 47,467.32/x
  3. Step 3: Cross multiply
    61,486.83x = 92,230.25 × 47,467.32
  4. Step 4: Simplify right side
    61,486.83x = 4,377,922,790.43
  5. Step 5: Solve for x
    x = 4,377,922,790.43/61,486.83
  6. Step 6: Final answer
    x = 71,200.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.